fixed vreffect test

threejs/tests/examples/effects/vreffect.ts

@@ -0,0 +1,16 @@
+/// <reference path="../../../three.d.ts" />
+/// <reference path="../../../three-vreffect.d.ts" />
+
+var _vrEffect: THREE.VREffect;
+
+_vrEffect = new THREE.VREffect(new THREE.WebGLRenderer({antialias: true}), (error) => {
+    if (error) {
+        this._stats.classList.add("error");
+        this._stats.innerHTML = "WebVR API not supported";
+        this._vrAvailable = false;
+    }
+});
+
+_vrEffect.setSize(100, 100);
+_vrEffect.render(new THREE.Scene(), new THREE.Camera());
+_vrEffect.setFullScreen(true);